Results 41 to 50 of about 5,528 (199)

A new species of Blechnum L. (Blechnaceae, Polypodiopsida) from central-western Brazil, with an updated key to the species in the country

open access: yesActa Botânica Brasílica, 2022
We describe a new species of Blechnum from Mato Grosso, Brazil: Blechnum rivulorum sp. nov. This new species was discovered as a result of visits to the herbaria BM, K, P, PR, and S, as part of the Reflora Project, by the first author.
Vinícius Antonio de Oliveira Dittrich   +2 more
doaj   +1 more source

Supplementary Material 3 [PDF]

open access: yes, 2023
A global review on chromosome number and genome size for the filmy ferns family (Hymenophyllaceae Mart., Polypodiopsida)Uma revisão global para o número de cromossomos e tamanho do genoma na família das samambaias transparentes (Hymenophyllaceae Mart ...
Eliane Kaltchuk-Santos (5109950)   +4 more
core   +1 more source

Palinomorfos del Holoceno en la cuenca alta del Río Lerma, Estado de México, México

open access: yesBotan‪ical Sciences, 2003
En los sedimentos de la laguna de Chignahuapan, Estado de México, México, se identificaron 96 palinomorfos. Se encontraron 8 taxa correspondientes a algas, un género y una familia tanto para Equisetopsida como para Lycopodiopsida, y 6 familias con 10 ...
Beatriz Ludlow-Wiechers   +2 more
doaj   +1 more source

Correction to Phytotaxa 61: A synopsis of the species of Cyathea (Cyatheaceae- Polypodiopsida) with pinnate to pinnate-pinnatifid fronds [PDF]

open access: yes, 2013
Lehnert, Marcus (2013): Correction to Phytotaxa 61: A synopsis of the species of Cyathea (Cyatheaceae- Polypodiopsida) with pinnate to pinnate-pinnatifid fronds.
Lehnert, Marcus
core   +1 more source

Supplementary Material 1.xlsx [PDF]

open access: yes, 2023
A global review on chromosome number and genome size for the filmy ferns family (Hymenophyllaceae Mart., Polypodiopsida)Uma revisão global para o número de cromossomos e tamanho do genoma na família das samambaias transparentes (Hymenophyllaceae Mart ...
Eliane Kaltchuk-Santos (5109950)   +4 more
core   +1 more source

The first register of the weed fern Pteris cretica var. laeta (Pteridaceae) in central Argentina

open access: yesLilloa, 2020
Pteris cretica L. var. laeta is recorded for the first time in the Comechingones biogeographic province in central Argentina. This is the first record of P. cretica in central Argentina, and P. cretica var. laeta for the country. Until now Pteris cretica
Marcelo Daniel Arana   +3 more
doaj   +1 more source

Taxonomic update, distribution and conservation status of grammitid ferns (Polypodiaceae, Polypodiopsida) in Veracruz State, Mexico [PDF]

open access: yes, 2013
Krömer, Thorsten, Acebey, Amparo R., Smith, Alan R. (2013): Taxonomic update, distribution and conservation status of grammitid ferns (Polypodiaceae, Polypodiopsida) in Veracruz State, Mexico. Phytotaxa 82 (1): 29-44, DOI: 10.11646/phytotaxa.82.1.3, URL:
Smith, Alan R.   +2 more
core   +1 more source

Pteridophyte distribution of the Urals and adjacent areas: a dataset [PDF]

open access: yesBiodiversity Data Journal, 2021
Data on the species diversity and distribution of pteridophytes (lycophytes and ferns) in the Urals and adjacent areas are presented. The dataset includes 13,742 observations of two classes Lycopodiopsida and Polypodiopsida.
Denis Melnikov   +21 more
doaj   +3 more sources

New combinations in Cranfillia (Blechnaceae: Polypodiopsida) for recent segregates of the Blechnum vulcanicum complex [PDF]

open access: yes, 2019
New combinations in Cranfillia (Blechnaceae: Polypodiopsida) are provided for: Blechnum aequabile T.C.Chambers, B. humile T.C.Chambers, B. megavulcanicum T.C.Chambers, Blechnum nukuhivense ED.Br., B. phanerophlebium Baaker ex C.Chr., B.
Parris, B.   +2 more
core   +2 more sources

Identifikasi Tumbuhan Paku Berdasarkan Letak dan Posisi Sorus dengan Ketinggian Berbeda di Kabupaten Bondowoso [PDF]

open access: yes, 2023
Tumbuhan paku (Pteridophyta) diklasifikasikan menjadi empat kelas yaitu Psilotopsida, Equisetopsida (Sphenopsida), Marattiopsida, dan Polypodiopsida (Filicopsida).
Anggrilia Ratu Pradipta   +5 more
core   +2 more sources

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